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diff --git a/compiler/exo/src/Dialect/Service/TFLTypeInferenceRule.h b/compiler/exo/src/Dialect/Service/TFLTypeInferenceRule.h
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+++ b/compiler/exo/src/Dialect/Service/TFLTypeInferenceRule.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2019 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LOCOEX_SERVICE_TFLTYPE_INFERENCE_RULE_H__
+#define __LOCOEX_SERVICE_TFLTYPE_INFERENCE_RULE_H__
+
+#include <loco/Service/TypeInference.h>
+
+namespace locoex
+{
+
+/**
+ * @brief Type Inference Rule for TFLDialect
+ */
+struct TFLTypeInferenceRule final : public loco::TypeInferenceRule
+{
+  bool recognize(const loco::Dialect *) const final;
+
+  bool infer(const loco::Node *, loco::DataType &) const final;
+};
+
+} // namespace locoex
+
+#endif // __LOCOEX_SERVICE_TFLTYPE_INFERENCE_RULE_H__